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-   -   The trouble with Blowers is: (https://www.offshoreonly.com/forums/general-q/322263-trouble-blowers.html)

SB 01-20-2015 08:49 PM

Shhhh, speed secret:

It amazes me how many blower discussions are about how much teeth you have on the upper vs lower .

In reality, the best blowers have no teeth at all.

Drew555 01-20-2015 08:52 PM

By far one of the funniest threads yet

offshore312 01-20-2015 08:57 PM


Originally Posted by SB (Post 4253258)
Shhhh, speed secret:

It amazes me how many blower discussions are about how much teeth you have on the upper vs lower .

In reality, the best blowers have no teeth at all.

and the lower induction should be very smooth for optimal performance as well...

SB 01-20-2015 09:00 PM

When it spits back up, it's time to shelve the blower for another one.

Flightplan 01-20-2015 09:04 PM

The worst blower I have ever had was still wonderful...

GPM 01-20-2015 09:07 PM


Originally Posted by offshore312 (Post 4253271)
and the lower induction should be very smooth for optimal performance as well...

Sure don't want any teeth down there.

Flightplan 01-20-2015 09:09 PM


Originally Posted by SB (Post 4253258)
Shhhh, speed secret:

It amazes me how many blower discussions are about how much teeth you have on the upper vs lower .

In reality, the best blowers have no teeth at all.

Too many lower teeth can be hard on ones crankshaft.

Drew555 01-20-2015 09:11 PM


Originally Posted by GPM (Post 4253282)
Sure don't want any teeth down there.

Without teeth need the fiction. Blower friction on the pulleys

SB 01-20-2015 09:11 PM

Would anyone ever question that Screw Blowers are the best ?

SB 01-20-2015 09:16 PM


Originally Posted by Flightplan (Post 4253279)
The worst blower I have ever had was still wonderful...

Your lucky. Man, I've had some very well advertised blowers that where horrible. Don't always go by what the packaging looks like !

Flightplan 01-20-2015 09:17 PM

I don't know. I once had a"roots" blower that was very efficient.

Flightplan 01-20-2015 09:19 PM

I know I should stay away from Chinese blowers but I just can't stop myself.

SB 01-20-2015 09:23 PM


Originally Posted by Flightplan (Post 4253293)
I don't know. I once had a"roots" blower that was very efficient.

Two lobe or 3 ? The latest 3 lobe kinda freaks me out. Call me old school.

http://www.233prime.com/wp-content/u...6/3_breast.jpg

Nmbr1GMfan 01-20-2015 09:35 PM

Typically when my blower works hard for 10 minutes it ends up with lube sprayed on it's teeth.

Flightplan 01-20-2015 09:38 PM

1 Attachment(s)

Originally Posted by SB (Post 4253302)
Two lobe or 3 ? The latest 3 lobe kinda freaks me out. Call me old school.

http://www.233prime.com/wp-content/u...6/3_breast.jpg

I like your 3 lobe. My roots blowers looked more like these.

[ATTACH=CONFIG]535959[/ATTACH]

offshore312 01-20-2015 09:42 PM


Originally Posted by SB (Post 4253291)
Your lucky. Man, I've had some very well advertised blowers that where horrible. Don't always go by what the packaging looks like !

All show and no blow is a no go!

SB 01-20-2015 09:47 PM


Originally Posted by Flightplan (Post 4253316)
I like your 3 lobe. My roots blowers looked more like these.

[ATTACH=CONFIG]535959[/ATTACH]

Okay, Now I understand your 'roots' comment.

This is the roots blower I've always wanted - minus the attitude.

Looks great hard anodized black.



http://blog.celebritymovieblog.com/w...7-620059/3.jpg

bck 01-20-2015 11:49 PM

Injection is nice, but I'd rather be blown.

Questofpower 01-21-2015 05:43 AM

Never shop for a new blower when the old blower is still around. Especially important do not take a new blower for a test ride even if you think the performance might be a little better, unless your are serious about changing your blower out. It will take years for the old blower to work right again along with many battles on things you wouldn't think mattered to the performance of the blower. In addition, even if you think everything is fixed and working properly with the old blower, it only takes some bad fuel to bring up the old problems again.

dereknkathy 01-21-2015 06:15 AM


Originally Posted by Questofpower (Post 4253404)
Never shop for a new blower when the old blower is still around. Especially important do not take a new blower for a test ride even if you think the performance might be a little better, unless your are serious about changing your blower out. It will take years for the old blower to work right again along with many battles on things you wouldn't think mattered to the performance of the blower. In addition, even if you think everything is fixed and working properly with the old blower, it only takes some bad fuel to bring up the old problems again.

and then you find out the old blower is testing every input shaft in town to see which one is the biggest...AND installing all those input shafts in the output location. and she never let you install the input shaft back there!!!

bck 01-21-2015 07:15 AM

I've never had a new blower, they've all been used. I'm always worried my blower has always sat on top of much bigger engines where it really got put to good use. Sometimes if your blower thinks you might be thinking of a new blower its boost levels seem to improve for a while before it stops working completely.

bck 01-21-2015 07:24 AM

I'd be afraid a roots blower wouldn't work at all. Asian blowers seem to work well.

offshore312 01-21-2015 08:39 AM

After a cursory review of my blower's road performance, it seems that the real issue is a concern of "over-fueling" at WOT, (wide open throat) and a subsequent choking issue developing as a result... :drool:

92nsx 01-21-2015 09:13 AM

Did the builder of the top end use new or newer head components? The 30 year old head components may be worn out even if they pass inspection. That alone will will decrease the blowers output....

Also might contribute to the chocking issue and smoke a a little when cold out

offshore312 01-21-2015 09:26 AM


Originally Posted by 92nsx (Post 4253496)
Did the builder of the top end use new or newer head components? The 30 year old head components may be worn out even if they pass inspection. That alone will will decrease the blowers output....

Also might contribute to the chocking issue and smoke a a little when cold out

These "head" components are 53 yrs old, and in amazingly good shape! The floatation devices are in very good shape as well, but they have had a little help from a specialist...

badmonkey 01-21-2015 09:42 AM

This is by far the funniest thread I have ever read on this forum.

Cheers boys.....:ernaehrung004:

sea6 01-21-2015 11:08 AM

Really comes down to this. Gotta make sure the atmosphere is right. Get your timing right. Try to keep your retard to a minimum for as long as you can. Maybe even a little advance (shoes). Then ease into it during the break-in. If you get into the blower too deep, might have some reversion.

PARASAIL941 01-21-2015 11:40 AM

Why wont the original BELT mine came with fit any more . Seems to be at least 5 sizes too small ! Can the belt shrink , or are the pulleys getting bigger ????
.....and the tensioner took a sh!t a couple seasons ago......

Flightplan 01-21-2015 12:22 PM

You down with "OPB"

Yeah you know me

You down with "OPB"

Yeah you know me

sonicss42 01-21-2015 12:48 PM

My blower still perform good after 32 years of service just takes a little longer to get full boost. But I'm happy with that.

PARASAIL941 01-21-2015 01:01 PM

May go TURBO this year and utilize all that free H/P going out the exhaust.......

Cajun 2 Stepp 01-21-2015 03:04 PM

Too much boost gave me pre-ignition and then the dreaded detonation causing me to throw a rod.

Flightplan 01-21-2015 04:00 PM

Just remember. Every time you lust for a fine a$$ blower, there is someone somewhere sick of its bullsh!t.

offshore312 01-21-2015 04:04 PM


Originally Posted by PARASAIL941 (Post 4253610)
May go TURBO this year and utilize all that free H/P going out the exhaust.......

Better make sure that waste gate has been properly "adjusted" before trying to get all you can from that TURBO...

Drew555 01-21-2015 04:17 PM

I found that the more use you blower has under it's belt the better they work. I guess there broken in just right. They know all the right tricks. A new blower is lacking in advanced technology

Brandonb_05 01-21-2015 06:00 PM

Some times the supercharging your getting isn't worth the supercharging your getting!

PARASAIL941 01-21-2015 06:14 PM

Im beginning to prefer TURBO over SUPERCHARGERS ... little slower out of the gate , but once spooled up ( mine still likes Jagermeister &Red Bull ) , they come on strong and easy on parts......

Eliminatorshane 01-21-2015 08:16 PM


Originally Posted by sea6 (Post 4252955)
New rings will surely reduce your blowers output.

Everytime I put new rings or anything to do with a ring it always blew harder .....

Brandonb_05 01-21-2015 08:29 PM

New rings make them crazy, I'm pretty sure there is a main blood supply vein that runs through that finger and when you put a ring on it, it constricts blood flow to the brain and makes them crazy. Yep
It's like a anchor on your speedboat of fun.

Questofpower 01-22-2015 05:45 AM

Anyone have a blower where the input shaft and the output shaft were reversed........ That's a horrible experience to figure out........ Had that happen to a buddy once.


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